US3073569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade mounting structure for a fluid flow machine
Assignee: Westinghouse Electric Corp
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Filing: 1959-12-01
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Granted: 1963-01-15
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Expires: 1979-12-01
Abstract
No abstract record available.
Inventors
- 👤 John T Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:24
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A BLADE MOUNTING STRUCTURE FOR AN AXIAL FLUID FLOW MACHINE COMPRISING A SUPPORT MEMBER HAVING A CIRCULAR PERIPHERY, SAID PERIPHERY HAVING A THREADED BORE, SAID BORE BEING CLOSED AT ONE END BY A BOTTOM SURFACE PORTION, A BLADE MEMBER HAVING AN EXTERNALLY THREADED ROOT PORTION, AND AN INTERMEDIATE SLEEVE MEMBER PROVIDED WITH INTERNAL AND EXTERNAL THREADED PORTIONS, SAID ROOT PORTION BEING THREADEDLY RECEIVED IN THE INTERNAL THREADED PORTION OF SAID SLEEVE MEMBER AND SAID SLEEVE MEMBER BEING THREADEDLY RECEIVED IN SAID BORE, MEANS PROVIDED ON SAID SLEEVE MEMBER FOR ROTATING THE LATTER INTO AND OUT OF JOINT ENGAGEMENT WITH SAID ROOT PORTION AND SAID BORE, JOINTLY COOPERATIVE PORTIONS ON SAID SUPPORT MEMBER AND SAID BLADE MEMBER PREVENTING RELATIVE ROTATION BETWEEN SAID SUPPORT MEMBER AND SAID BLADE MEMBER DURING ROTATION
Claim 2
Dependent Claim
129 words
A BLADE MOUNTING STRUCTURE FOR AN AXIAL FLUID FLOW MACHINE COMPRISING A SUPPORT MEMBER HAVING A CIRCULAR PERIPHERY, SAID PERIPHERY HAVING A THREADED BORE, SAID BORE BEING CLOSED AT ONE END BY A BOTTOM SURFACE PORTION, A BLADE MEMBER HAVING AN EXTERNALLY THREADED ROOT PORTION, AND AN INTERMEDIATE SLEEVE MEMBER PROVIDED WITH INTERNAL AND EXTERNAL THREADED PORTIONS, SAID ROOT PORTION BEING THREADEDLY RECEIVED IN THE INTERNAL THREADED PORTION OF SAID SLEEVE MEMBER AND SAID SLEEVE MEMBER BEING THREADEDLY RECEIVED IN SAID BORE, MEANS PROVIDED ON SAID SLEEVE MEMBER FOR ROTATING THE LATTER INTO AND OUT OF JOINT ENGAGEMENT WITH SAID ROOT PORTION AND SAID BORE, JOINTLY COOPERATIVE PORTIONS ON SAID SUPPORT MEMBER AND SAID BLADE MEMBER PREVENTING RELATIVE ROTATION BETWEEN SAID SUPPORT MEMBER AND SAID BLADE MEMBER DURING ROTATION
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |